break neck

Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.

break one's neck (to do something)

 and break one's back (to do something)
Fig. to work very hard to accomplish something. I broke my neck to get here on time. There is no point in breaking your back. Take your time.
See also: break, neck

break (one's) neck

To make the utmost possible effort.
See also: break, neck
References in periodicals archive ?
Hovering over all the pluses and minuses of ``Air Force One'' is the amusing/alarming idea that what America wants - that what America needs - is a president who's not afraid to break necks, if not by proxy then with his bare hands.
Now the Prince can break necks, toss people off cliffs and use a multitude of kicks and sword moves to cut enemies in half.
We need a hardness about us and need someone who is prepared to break necks to score.